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USB Power question

Discussion in 'Battery Mods' started by devonschmoker, Feb 25, 2009.

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  1. devonschmoker

    devonschmoker Senior Member ECF Veteran

    Jan 21, 2009
    Portland, OR USA
    I am building a USB pass through I am wondering how to get my USB port to cough up its full potential of 500mA? I haven’t played around with USB ports before so I need a little help:confused:. Thanks- Devon
     
  2. Cellmeister

    Cellmeister Ultra Member ECF Veteran

    Jan 3, 2009
    Beantown, USA
    Devon The USB Computer Power Output is Automatic, Usually The Draw of The Amps is From What the Device Is Calling For. You can't change that (basically u can't)/

    FYI You Can't Draw More USB Power from the Computer USB Port Then What The Port Limits Itself Too (Max Output is around 500 mAh if properly working, other adapters in use, etc) there is a safety in there.

    The Best Way is To Connect to A Powered USB Hub Directly, That will Give You The 500 mAh Safely and without any issues.

    I Prefer The Powered USB Port, The Battery Pack & / or The AC to DC USB Power Plug, I know I am getting Full Power = Full Performance.

    You already know you can go battery pack and / or a AC to DC Adapter (5 volt 1000 mAh) and this info is for the forum members.

    Devon, PM Later if you want.

    Hope this helps
     
  3. BJ43

    BJ43 Vaping Master Verified Member ECF Veteran

    Nov 27, 2008
    Build it and try it, I have built 6 and all work great on usb on my laptop. Tried using a split usb cable to two ports like some drives use to get 1000mha but did not see any better vapor so I just use one port now. I suspect the higher voltage (5V) may reduce the need for 1000mha. When I use the same passthrus on my portable power (5V 1000mha) they can get too hot and give a burnt taste. Go to this post to see one of my first attempts that is still going strong. Less breakable Passthru?
     
  4. davidinwellington

    davidinwellington Full Member ECF Veteran

    As has been said, I plug my passthrough into a powered 2.0 usb hub and get plenty of vape. If I have the hub plugged in to my iMac I get a message saying that the hub is drawing too much power and is shutting down the port. No problem, just unplug from the Mac.
     
  5. devonschmoker

    devonschmoker Senior Member ECF Veteran

    Jan 21, 2009
    Portland, OR USA
    Ok I figured it out. I am using a Joye510 atomizer (because that is what I have laying around). It’s the atomizer, it needs more current. I hooked it up to a 4 AA case and still got little vapor. (I did get more than I got from the USB port) I think that the 510 must have a current amp in it. I guess that I will have to hook up to the circuit board to run the 510 properly. Oh and a little note, the switch on the 510 board is normally closed. (I find that a little odd) I would use the board I had but I grabbed the wrong soldering iron (60W instead of the 15W) and fried a micro resistor so I guess I will have to wait till I pull another dead one apart. Thanks for everyone’s input.
     
  6. seededcrown

    seededcrown Senior Member ECF Veteran

    Feb 14, 2009
    Medford, oregon, u.s.
    so you opened an old 510 battery??? has anyone else done this, i have one with a stuck switch still charges and everything, i would like to turn ino a passthrough. oh ya its a dura
     
  7. devonschmoker

    devonschmoker Senior Member ECF Veteran

    Jan 21, 2009
    Portland, OR USA
  8. seededcrown

    seededcrown Senior Member ECF Veteran

    Feb 14, 2009
    Medford, oregon, u.s.
    how do you take the battery appart and fix a stuck switch??? then turn into a passthrough???
     
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